<!-- QQ登录-回跳页面 -->
<template>
    <LoginHeader>联合登录</LoginHeader>
    <section class="container" v-if="isBind">
        <div class="unbind">
            <div class="loading"></div>
        </div>
    </section>
    <section class="container" v-else>
        <nav class="tab">
            <a @click="hasAccount = true" :class="{ active: hasAccount }" href="javascript:;">
                <i class="iconfont icon-bind" />
                <span>已有小兔鲜账号，请绑定手机</span>
            </a>
            <a @click="hasAccount = false" :class="{ active: !hasAccount }" href="javascript:;">
                <i class="iconfont icon-edit" />
                <span>没有小兔鲜账号，请完善资料</span>
            </a>
        </nav>
        <div class="tab-content" v-if="hasAccount">
            <CallbackBind :unionId="unionId" />
        </div>
        <div class="tab-content" v-else>
            <CallbackPatch :unionId="unionId" />
        </div>
    </section>
    <LoginFooter />
</template>

<script>
import { ref } from 'vue'
import LoginHeader from './components/login-header'
import LoginFooter from './components/login-footer'
import CallbackBind from './components/callback-bind'
import CallbackPatch from './components/callback-patch'
import QC from 'qc'
import { userQQLogin } from '@/api/user'
import Message from '@/components/library/Message'
import { useRouter } from 'vue-router'
import { useStore } from 'vuex'
export default {
    name: 'PageCallback',
    components: { LoginHeader, LoginFooter, CallbackBind, CallbackPatch },
    setup() {
        const nickname = ref(null)
        const avatar = ref(null)
        // 绑定手机 完善资料切换
        const hasAccount = ref(true)
        // loading 加载页
        const isBind = ref(true)
        // unionId QQ登录成功返回的唯一标识
        const unionId = ref(null)
        // 假设已经绑定 默认去做一次登录，登录失败证明未绑定
        const store = useStore()
        const router = useRouter()
        // QC.Login.check() ：返回true|false, 用来检查是否登录
        if (QC.Login.check()) {
            // QC.Login.getMe() 获取登录凭证Id
            QC.Login.getMe((openId) => {
                unionId.value = openId
                userQQLogin(openId).then(data => {
                    // 1. 存储用户信息
                    const { id, account, avatar, mobile, nickname, token } = data.result
                    store.commit('user/setUser', { id, account, avatar, mobile, nickname, token })
                    store.dispatch('cart/mergeLocalCart').then(() => {
                        // 2. 跳转到来源页或者首页
                        router.push(store.state.user.redirectUrl)
                        // 3. 成功提示
                        Message({ type: 'success', text: 'QQ登录成功' })
                    })
                }).catch(err => {
                    // 代表：使用qq登录失败===>1. 没绑定小兔鲜帐号  2. 没有小兔鲜帐号
                    Message({ type: 'error', text: '未绑定账号' })
                    isBind.value = false
                })
            })
        }
        return { hasAccount, nickname, avatar, isBind, unionId }
    }
}
</script>

<style scoped lang='less'>
.container {
    padding: 25px 0;
    position: relative;
    height: 730px;

    .unbind {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        padding: 25px 0;
        z-index: 99;

        .loading {
            height: 100%;
            background: #fff url(../../assets/images/load.gif) no-repeat center / 100px 100px;
        }
    }
}

.tab {
    background: #fff;
    height: 80px;
    padding-top: 40px;
    font-size: 18px;
    text-align: center;

    a {
        color: #666;
        display: inline-block;
        width: 350px;
        line-height: 40px;
        border-bottom: 2px solid #e4e4e4;

        i {
            font-size: 22px;
            vertical-align: middle;
        }

        span {
            vertical-align: middle;
            margin-left: 4px;
        }

        &.active {
            color: @xtxColor;
            border-color: @xtxColor;
        }
    }
}

.tab-content {
    min-height: 600px;
    background: #fff;
}
</style>